Family Thomassiniidae Saint Laurent 1979 (decapod)
Malacostraca - Decapoda - Thomassiniidae
Parent taxon: Callianassoidea according to C. E. Schweitzer et al. 2010
Sister taxa: Callianassidae, Callianideidae, Ctenochelidae
Subtaxa: Crosniera
Ecology: infaunal detritivore
Distribution: found only at Cerová-Lieskové (Miocene of Slovakia)